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BMI Calculator
cm
kg
Enter your height and weight to see your BMI
BMI is a screening tool, not a diagnostic measure. Consult a healthcare professional for medical advice.
How to use / Why use this tool / FAQ
How to use
Select Metric or Imperial. Enter your height and weight, and your BMI is calculated instantly. See your BMI category, a visual scale, and the healthy weight range for your height.
Why use this tool
Check your BMI instantly without any app download or registration. Supports both metric (cm/kg) and imperial (ft/lb). Healthy weight range is shown for quick reference.
FAQ
- What is a healthy BMI?
- A BMI between 18.5 and 24.9 is considered normal weight. Below 18.5 is underweight; 25–29.9 is overweight; 30 and above is obese.
- Is BMI accurate?
- BMI is a screening tool, not a diagnostic measure. It does not account for muscle mass, age, or body composition. Consult a healthcare professional for personalised advice.
- Is this BMI calculator free?
- Yes — completely free, no sign-up, no download required. All calculations are done in your browser.